Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415393 | Amphibian | Simon James Longdill, Matthew Watson Houston | 2025-09-16 |
| 12291318 | Powertrain for an amphibian | Simon James Longdill | 2025-05-06 |
| 11919346 | Power train for an amphibian | — | 2024-03-05 |
| 11766908 | Retractable wheel assembly for an amphibian | — | 2023-09-26 |
| 11485182 | Amphibians | — | 2022-11-01 |
| 11400780 | High speed actuation system, apparatus and method for protracting and retracting a retractable wheel assembly of an amphibian | Simon James Longdill | 2022-08-02 |
| 11364756 | Amphibian | — | 2022-06-21 |
| 11214347 | Powertrain for an amphibian | Simon James Longdill | 2022-01-04 |
| 11065927 | Power train for an amphibian | — | 2021-07-20 |
| 11065928 | Amphibian | Simon James Longdill | 2021-07-20 |
| 11046133 | Powertrain for an amphibian | — | 2021-06-29 |
| 10967691 | Retractable wheel assembly for an amphibian | — | 2021-04-06 |
| 10926595 | Amphibian | Simon James Longdill | 2021-02-23 |
| 10131194 | Amphibian hull | Eric John Carlson | 2018-11-20 |
| 9956837 | Amphibians | — | 2018-05-01 |
| 9573431 | Power train for an amphibian | — | 2017-02-21 |
| 9555678 | Amphibian | — | 2017-01-31 |
| 9555680 | Amphibian | Simon James Longdill | 2017-01-31 |
| 9517670 | Power train for an amphibian | Neil Graham Jenkins | 2016-12-13 |
| 9511640 | Amphibian | Simon James Longdill, Stephen James Bailey | 2016-12-06 |
| 9415649 | Amphibian hull | Eric John Carlson | 2016-08-16 |
| 8888543 | Relating to amphibians | — | 2014-11-18 |
| 8025540 | Amphibian | — | 2011-09-27 |
| 7770483 | Power train for an amphibious vehicle | — | 2010-08-10 |
| 7766709 | Amphibious vehicle steering | — | 2010-08-03 |